CN104807347B - A kind of special cooler of closed cooling tower - Google Patents
A kind of special cooler of closed cooling tower Download PDFInfo
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- CN104807347B CN104807347B CN201510193560.8A CN201510193560A CN104807347B CN 104807347 B CN104807347 B CN 104807347B CN 201510193560 A CN201510193560 A CN 201510193560A CN 104807347 B CN104807347 B CN 104807347B
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Abstract
The invention discloses a kind of special cooler of closed cooling tower, wherein there is some thin wall-type heat exchange units being spaced and being vertically arranged, it it is uniform gap between adjacent heat exchange unit, each described heat exchange unit is provided with at least one inlet and outlet, described heat exchange unit has least one set by medium channel to be cooled through for inlet and outlet, and form concavo-convex lines at the outer surface of described heat exchange unit；Described import on each described heat exchange unit is the most through and forms liquid medium import to be cooled, and the described outlet on each described heat exchange unit is the most through and forms fluid dielectric coolant outlet.Simplify the installation process of cooler, improve cooling effectiveness.Cooler intensity is high, inner loop water flows and film-like flowing along the outer surface of cooler, it is to avoid during use in winter, cooler inner icing heat exchanger causes damage, and provides the safe operation of equipment and ensures reliably.
Description
Technical field
This invention relates to the cooler technical field used in closed cooling tower, and specifically a kind of enclosed is cold
But the special cooler of tower.
Background technology
Closed cooling tower is a kind of efficient cooling device, mainly utilizes evaporation of water latent heat to take away process fluid
Heat, complete the cooling to process fluid, be simultaneously achieved cooling the recycling, the most by extensively of water
General apply in industries such as refrigeration, chemical industry, food, injection, metallurgy, weavings.
Existing closed cooling tower generally uses the cooling side that polrvinyl chloride inserts and heat exchange coil combine
Formula, wherein polrvinyl chloride inserts is positioned at the top of heat exchange coil, i.e. process cycles fluid is in heat exchange coil
Flowing outer loop water simultaneously flows through the cooling of polrvinyl chloride inserts, and the water after cooling contacts biography with heat exchange coil
Heat thus the water in coil pipe is cooled down.
Closed cooling tower needs to use polrvinyl chloride inserts to promote the cooling of outer loop water, polrvinyl chloride
Light and thermally stable poor, long-time use is susceptible to aging phenomenon, thus to the structure of equipment and property
Certain infringement and impact can be caused.And manufactured from raw material to finished product at polrvinyl chloride inserts
Cheng Zhonghui produces the material polluting environment, inadequate environmental protection.And polrvinyl chloride inserts quality the most on the market
Uneven, some does not reaches national standard and is not belonging to difficult combustion product, is the most still used on cooling tower equipment,
Cause disaster hidden-trouble.
Surface area additionally, due to heat exchange coil is little, and heat transfer effect is bad, in order to improve heat transfer effect, just needs
Heat exchange area to be increased, increases manufacturing cost, and the volume causing cooling tower is excessive.
Summary of the invention
In order to solve the deficiencies in the prior art, it is an object of the invention to provide a kind of closed cooling tower special cold
But device, combines by the way of cooling down by changing original polrvinyl chloride inserts and heat exchange coil, it is provided that
The cooler of a kind of metal material, can bear 2 MPas to carry out welding or removable mode assembles
Above high-pressure, and by increasing the surface area of heat exchange, increase the heat transfer effect of unit volume, and subtract
The volume of skinny device, improves service life simultaneously further.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of special cooler of closed cooling tower, is characterized in that having some being spaced in described cooler
And the thin wall-type heat exchange unit being vertically arranged, it is provided with the concavo-convex strong point on adjacent heat exchange unit surface so that
Forming uniform gap between adjacent heat exchange unit, described heat exchange unit is by two metallic plates being stamped to form
Carry out pressure welding shape all-in-one-piece along edge, and be internally formed medium channel to be cooled (21), each
Described heat exchange unit is provided with at least one inlet and outlet, and having least one set in described heat exchange unit will enter
Mouthful and the through medium channel to be cooled of outlet, and be formed with beneficially moisture film at the outer surface of described heat exchange unit
The concave convex texture formed；
Described import on all heat exchange units is the most through and forms medium entrance to be cooled, all heat exchange lists
Described outlet in unit is the most through and forms cooling medium outlet.
Further, described cooler includes that flat board, the middle heat exchange unit and being arranged on of supporting of both sides changes
Packing ring between hot cell, described support flat board arranges crossbeam connecting hole, and a support flat board wherein
On suction flange pipe and outlet(discharge) flange pipe be set, respectively with inlet and outlet corresponding matching through and described
Suction flange pipe is positioned on the downside of outlet(discharge) flange pipe；Also four corners at described heat exchange unit are provided with for horizontal stroke
The fastener hole that beam passes, four groups of crossbeams pass crossbeam connecting hole and fastener hole and by described support flat board, heat exchange
Unit and packing ring are strained and fixed integral.
Further, described cooler includes the heat exchange unit supporting flat board and centre of both sides, props up described in two
Between support flat board, four crossbeams are set, and wherein one support on flat board, suction flange pipe and outlet method be set
Lan Guan, respectively with inlet and outlet corresponding matching through, and described suction flange pipe is positioned at outlet(discharge) flange pipe
Downside；Each described heat exchange unit is fixing by the way of welding to be welded to connect with four crossbeams and is formed
Integrally.
Further, the one during described heat exchange unit profile is square, rectangle, polygon, circle.
Further, the stamped sheet metal for making heat exchange unit be stainless sheet steel, copper alloy thin plate,
One in aluminium alloy sheet.
Further, between the medium channel multiple to be cooled within described heat exchange unit, breach is set so that
The most through.
Further, described concave convex texture is the lines of point-like or lambdoid lines.
Further, described suction flange pipe and outlet(discharge) flange pipe are set to multiple, are set up in parallel.
Further, the inside at described heat exchange unit is additionally provided with concavo-convex of the auxiliary for supporting internal voids
Support point.
Further, the described concavo-convex strong point, assist the concavo-convex strong point and concave convex texture be and metallic plate one
It is stamped and formed out.
The invention has the beneficial effects as follows: the invention discloses a kind of special cooler of closed cooling tower, can adopt
It is shaped by the mode of welding or assembling, simplifies the installation process of cooler, improve cooling effectiveness,
Improve 2-3 times than traditional polyvinyl chloride packings and heat exchange coil formula cooling effectiveness, reduce volume.
Heat exchange unit in cooler is carried out pressure welding by two metallic plates being stamped to form along edge and is formed
One, intensity is high, and the surface outside each unit is provided with the concavo-convex strong point, formed heat exchange unit it
Between support each other, the pressure of internal 20 MPas can be born.
Not in use by polyvinyl chloride packings, cooling tower inner loop water flows and film forming along the outer surface of cooler
Shape flows, it is to avoid during use in winter, cooler is caused damage by cooler inner icing, safety to equipment
Run to provide and ensure reliably.
Can be used for substituting the polyvinyl chloride packings used in existing cooling tower and heat exchange coil, environmental protection and saving, Du
Disaster hidden-trouble absolutely, is a kind of environmental protection equipment.
Have wide range of applications, can be applicable to existing cooling tower, vaporizer, condenser, dry and cold device, air cooling
In device, use as a core component, be widely used.
Accompanying drawing explanation
Fig. 1 is the application in enclosed heat exchange columns of this cooler.
Fig. 2 is the dismounting schematic diagram of cooler.
Fig. 3 is the front view of cooler.
Fig. 4 is the medium channel lines in single heat exchange unit.
Fig. 5 is that multiple heat exchange unit is circular layout.
Fig. 6 is multiple heat exchange unit rectangular arrangement.
Fig. 7 is the structural style of the import and export in heat exchange unit.
Fig. 8 be two coolers be used in series schematic diagram.
Fig. 9 is the concavo-convex strong point and auxiliary concavo-convex strong point effect schematic diagram in heat exchange unit.
In figure: 1 tower body, 11 blower fans, 12 air inlets, 13 water-collecting trays, 14 shower nozzles, 15 splash-backs,
2 coolers, 21 medium channels to be cooled,
22 support flat boards, 221 crossbeam connecting holes, 222 suction flange pipes, 223 outlet(discharge) flange pipes,
23 heat exchange units, 231 metallic plates, 232 welding positions, 233 imports, 234 outlets, 235 fastenings
Hole, the 236 concavo-convex strong points, 237 assist the concavo-convex strong point,
24 packing rings, 3 spray channels and gas channel, 4 crossbeams, a medium to be cooled, b cold water.
Detailed description of the invention
As shown in Figures 1 to 7,
The key point of the present invention and protection point are to eliminate polrvinyl chloride inserts and the heat exchange of closed cooling tower
Coil pipe, makes the cooler in the present invention as the core of cooling tower/evaporator/condenser/dry and cold device/air cooler
Part, exercises the usefulness of cooling, by substituting, while reducing volume, improves cooling effectiveness, meanwhile, again
It it is the pressure cooler that can bear certain pressure.
In closed cooling tower as a example by the application of the present invention, this cooler is illustrated, as it is shown in figure 1,
Present device is mainly by tower body 1, water-collecting tray 13, cooler 2, water pump, shower, shower nozzle 14, anti-
Spatter the component compositions such as plate 15, blower fan 11, air inlet 12.
Tower body 1 can use existing fiberglass formula structure or full steel structure, is not repeating.
In order to improve the cooling effectiveness of closed cooling tower, improve its service life, and solve high pressure cooling makes
By the problem of cooling tower, a kind of cooler 2 (such as Fig. 4) of specialized designs of the present invention, by structure, molding
With the improvement of occupation mode, substantially increase the effective heat exchange area of unit volume cooler in tower, be common
2 to 3 times of closed cooling tower, and coordinate the lines design on heat exchange unit surface, the most lambdoid lines
Design, extend the cooling path of medium to be cooled, simultaneously so that circulating water flow through plate bundle outer surface time
Wait, sufficient heat exchange, cold exchange can be carried out with cold air so that the cooling capacity of outer loop water is big
Big raising 2 to 3 times, and without the impact of polrvinyl chloride inserts, flowing resistance reduces, and drafting efficiency improves 2
To 3 times.And the medium to be cooled making it possess in medium channel to walk more than 2 MPas is improved by structure,
Pressure medium to be cooled is high, and corresponding cold and hot exchange is more rapid.
In the present embodiment, cooler uses as a core component of cold and hot exchange, and cooler includes two
Support flat board 22, middle heat exchange unit 23 and the packing ring 24 being arranged between heat exchange unit of side form,
Above-mentioned support flat board 22 as shown in Figure 2 and Figure 4, uses corrosion resistant galvanized steel plain sheet, alloy-steel plate to make,
Supporting steel plate arranges crossbeam connecting hole 221, and wherein one support on flat board, suction flange pipe be set
222 and outlet(discharge) flange pipe 223, arrange up and down, generally, suction flange pipe is positioned at lower end, such as Fig. 2
Middle arrow represents the flow channel of medium to be cooled.
In the present embodiment, it is provided with a suction flange pipe and an outlet(discharge) flange pipe, in view of heat exchange
Unit do relatively wide in the case of, above-mentioned suction flange pipe and outlet(discharge) flange pipe it can also be provided that multiple,
Be set up in parallel, multiple between be a kind of relation arranged side by side.
Above-mentioned heat exchange unit 23 is welded by two metallic plates being stamped to form 231, such as, uses not
Rust steel sheet is stamped and formed out some concave convex textures being conducive to moisture film to be formed continuously, i.e. herringbone concave convex texture.
Meanwhile, during each stainless sheet steel punching press, stamp out two concavo-convex strong points 236 and auxiliary simultaneously
Help the concavo-convex strong point 237, as it is shown in figure 9, medium a the most to be cooled and cold water b is respectively at heat exchange unit
Inside and outside flow.The concavo-convex strong point therein is positioned at the outside of heat exchange unit, carries out external support,
So when the state that medium to be cooled is high pressure, a kind of effective support can be formed, increase pressure performance.
Assist the concavo-convex strong point to be positioned at the inside of heat exchange unit, carry out inner support so that internal medium to be cooled
Within passage is in rational interstice coverage, and the edge of two metallic plates is carried out pressure welding formation one
Body, welding position 232 gets around import 233 thereon and outlet 234, and wherein import 233 is by packing ring 24
With suction flange pipe 222 corresponding matching, outlet 234 and outlet(discharge) flange pipe 223 corresponding matching.By welding
Formed heat exchange unit 23 be internally formed medium channel 21 to be cooled, be the path of media flow to be cooled.
Path can be extended under the effect of herringbone concave convex texture and form turbulent flow, increasing cold heat exchange effect.?
It is positioned at the fastener hole 235 passed for crossbeam of four corners, pattern such as Fig. 2 that wherein fastener hole 235 is optimal
Shown in, it is a breach more than 180 degree.So it is internally formed several each other at each heat exchange unit
Independent herringbone medium channel to be cooled, owing to metallic plate uses sheet stamping to form, this medium channel
The outer surface in outside, i.e. heat exchange unit is also projection, so at the current (coming from spray system) in outside
In top-down flow process, coordinating the air-flow of adverse current, easily the outer surface at heat exchange unit forms absorption
Effect, and make outside cooling water in the form of a film quickly through, heat transfer effect is multiplied.
In above-mentioned introduction, alloy sheets can also be used for making the stamped sheet metal 231 of heat exchange unit,
Such as copper alloy thin plate, aluminium alloy sheet etc. carry out punching press making, meet thin-walled, light weight, corrosion-resistant, easy
The feature of cleaning, has higher intensity, meets the requirement being prone to welding fabrication simultaneously.
In the manufacturing process of heat exchange unit, import and export can be designed to the pattern intersected, as it is shown in fig. 7,
It is to say, optimal a kind of mode, import 233 and outlet 234 are discrete, in the circumferential in disconnected
Continuous distribution, forms multiple micropore, forms strong support, and forms brace rod.
It is intervally installed between above-mentioned heat exchange unit 23, and discontinuous setting, so in adjacent heat exchange
Forming spray channels and gas channel 3 between unit, as it is shown on figure 3, wherein, medium to be cooled is in heat exchange
The internal flow of unit, optimal flow direction is from bottom to top, forms adverse current with the cooling current in outside
Flowing type.
In such a configuration, carry out two heat exchange units between adjacent being effectively spaced apart is packing ring 24,
Or referred to as pad, its middle washer preferentially uses rubber washer, ring bodies as shown in Figure 2, uses
Position is at the import and export located up and down and crossbeam 4, so forms the two kinds of patterns separating and sealing.
In the above embodiments, between heat exchange unit and support flat board, form a kind of annexation that can dismount,
As a kind of deformation in the present embodiment, can also be by being welded to one another between each heat exchange unit therein
Mode forms an entirety, forms a kind of permanent fixed form.Specifically, flat board 22 is being supported described in two
Between four crossbeams 4 are set, and wherein one support on flat board, suction flange pipe 222 and outlet(discharge) flange be set
Pipe 223, respectively with import 233 and outlet 234 corresponding matching through, and described suction flange pipe 222
On the downside of outlet(discharge) flange pipe 223；Each described heat exchange unit is fixing and four crossbeams 4 by the way of welding
Carry out being welded to connect and formed one.Compression connection will be strained be replaced by and be weldingly fixed on crossbeam, be formed
A kind of fixed form, equally within protection scope of the present invention.
The pattern of the medium channel to be cooled 21 in above-mentioned heat exchange unit is various, can use for reference existing cooling
Relevant lines design in heat exchanger fin in device, may be applicable to the present invention.
The pattern of above-mentioned heat exchange unit, can be fabricated to the patterns such as square, rectangle, polygon, circle,
And make crossbeam inserting hole, and pulling plug fastener hole etc..
Above-mentioned heat exchange unit 23 can single, multiple rows of, series connection (such as Fig. 8), parallel combinations in cooling tower
Arrange, it is also possible to arrange according to rectangular array, such as Fig. 6, or arrange according to circular array, such as Fig. 5, shape
Become multiple different arrangement form, all within protection scope of the present invention.
Medium channel to be cooled 21 within above-mentioned heat exchange unit, it is also possible to be the most through, the most single
Between chevron shaped channels within heat exchange unit, breach is set so that the most through, so at medium to be cooled
By time, necessarily form turbulence effect, improve heat transfer effect further.
The above-mentioned concavo-convex strong point 236 and the concavo-convex strong point 237 of auxiliary not necessarily have to use shown in Fig. 9
Pattern, it is possible to use other pattern, such as taper support point, as long as the effect that can play support all exists
Within protection scope of the present invention.
Due to the raising of cooling effectiveness, compared with common coiled closed cooling tower, floor space is significantly
Reduce, the 1/2 of the most common tubular type closed cooling tower.
Owing to not in use by polrvinyl chloride inserts, equipment windage reduces, and drafting efficiency improves, same
Effectively reducing the power consumption of blower fan under cooling capacity, power consumption is lower.
For reaching the purpose of environmental protection and saving, this closed cooling tower, not in use by polrvinyl chloride inserts, is stopped
Disaster hidden-trouble, not only environmental protection but also save.
Such as Fig. 1, for the application in closed cooling tower of this assembly, it is that blower fan 11 is installed at the top of tower body 1
Suction opeing, both sides, bottom are provided with air inlet 12, and are provided with a water-collecting tray 13 in the bottom of tower body, in institute
Arranging some shower nozzles 14 in stating the described tower body on the upside of cooler, the water in water-collecting tray is delivered to spray by a water pump
Spray at Tou and towards cooler, form spray system.
As shown in Figure 8, above-mentioned cooler can be used alone, it is possible to is used in series, and i.e. carries out upper and lower cloth
Put, and use pipeline to be attached, form a chiller assembly with two grades of heat exchange performances, easily
Reasoning, go for three grades, in the cooling occasion such as level Four.
Embodiment described above is only to be described the preferred embodiment of the present invention, not to this
Bright scope is defined, on the premise of designing spirit without departing from the present invention, and relevant technical staff in the field
Various deformation and improvement to the present invention, all should expand in protection domain as determined by claims of the present invention.
Claims (10)
1. the special cooler of closed cooling tower, it is characterized in that, described cooler has some thin wall-type heat exchange units (23) being spaced and being vertically arranged, it is provided with the concavo-convex strong point on adjacent heat exchange unit surface, make to be formed between adjacent heat exchange unit uniform gap, described heat exchange unit (23) is carried out pressure welding shape all-in-one-piece by two metallic plates being stamped to form (231) along edge, and it is being internally formed medium channel to be cooled (21), each described heat exchange unit is provided with at least one inlet and outlet, described heat exchange unit has least one set by medium channel to be cooled (21) through for inlet and outlet, and it is formed with, at the outer surface of described heat exchange unit, the concave convex texture that beneficially moisture film is formed；
Described import (233) on all heat exchange units is the most through and forms medium entrance to be cooled, and the described outlet (234) on all heat exchange units is the most through and forms cooling medium outlet.
A kind of special cooler of closed cooling tower the most according to claim 1, it is characterized in that, described cooler includes the support flat board (22) of both sides, middle heat exchange unit (23) and the packing ring (24) being arranged between heat exchange unit, on described support flat board (22), crossbeam connecting hole (221) is set, and wherein one support on flat board suction flange pipe (222) and outlet(discharge) flange pipe (223) be set, respectively with import (233) and outlet (234) corresponding matching through, and described suction flange pipe (222) is positioned at outlet(discharge) flange pipe (223) downside；Also four corners at described heat exchange unit are provided with the fastener hole (235) passed for crossbeam, and four groups of crossbeams (4) pass crossbeam connecting hole (221) and fastener hole (235) and are strained and fixed integral by described support flat board, heat exchange unit and packing ring.
A kind of special cooler of closed cooling tower the most according to claim 1, it is characterized in that, described cooler includes the support flat board (22) of both sides and middle heat exchange unit (23), support described in two between flat board (22) and four crossbeams (4) are set, and wherein one support on flat board suction flange pipe (222) and outlet(discharge) flange pipe (223) be set, respectively with import (233) and outlet (234) corresponding matching through, and described suction flange pipe (222) is positioned at outlet(discharge) flange pipe (223) downside；Each described heat exchange unit is fixed by the way of welding, and carries out being welded to connect and formed one with four crossbeams (4).
4. according to the special cooler of a kind of closed cooling tower described in Claims 2 or 3, it is characterised in that described heat exchange unit profile is the one in square, rectangle, polygon, circle.
A kind of special cooler of closed cooling tower the most according to claim 4, it is characterised in that the stamped sheet metal (231) being used for making heat exchange unit is the one in stainless sheet steel, copper alloy thin plate, aluminium alloy sheet.
A kind of special cooler of closed cooling tower the most according to claim 4, it is characterised in that between the medium channel multiple to be cooled within described heat exchange unit, breach is set so that the most through.
A kind of special cooler of closed cooling tower the most according to claim 1, it is characterised in that described concave convex texture is the lines of point-like or lambdoid lines.
A kind of special cooler of closed cooling tower the most according to claim 2, it is characterised in that described suction flange pipe and outlet(discharge) flange pipe are set to multiple, are set up in parallel.
A kind of special cooler of closed cooling tower the most according to claim 1, it is characterised in that be additionally provided with the concavo-convex strong point of the auxiliary for supporting internal voids in the inside of described heat exchange unit.
A kind of special cooler of closed cooling tower the most according to claim 9, it is characterised in that the described concavo-convex strong point, assist the concavo-convex strong point and concave convex texture and metallic plate (231) integrated punching to be formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510193560.8A CN104807347B (en) | 2015-04-22 | 2015-04-22 | A kind of special cooler of closed cooling tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510193560.8A CN104807347B (en) | 2015-04-22 | 2015-04-22 | A kind of special cooler of closed cooling tower |
Publications (2)
| Publication Number | Publication Date |
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| CN104807347A CN104807347A (en) | 2015-07-29 |
| CN104807347B true CN104807347B (en) | 2016-09-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201510193560.8A Active CN104807347B (en) | 2015-04-22 | 2015-04-22 | A kind of special cooler of closed cooling tower |
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Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2604664Y (en) * | 2003-03-11 | 2004-02-25 | 洪晓波 | Plate type evaporating cooler |
| JP2006226660A (en) * | 2005-02-21 | 2006-08-31 | Ebara Shinwa Ltd | Single suction type cross flow compact cooling tower |
| CN202221251U (en) * | 2011-09-05 | 2012-05-16 | 山东双一集团有限公司 | Plate heat exchange cooling tower |
| CN204064020U (en) * | 2014-06-26 | 2014-12-31 | 潘井生 | A kind of sealed cooling tower |
| CN204694113U (en) * | 2015-04-22 | 2015-10-07 | 济南秦泰热工技术有限公司 | The special cooler of a kind of closed cooling tower |
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2015
- 2015-04-22 CN CN201510193560.8A patent/CN104807347B/en active Active
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| CN104807347A (en) | 2015-07-29 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Special cooler for closed cooling towers Effective date of registration: 20170517 Granted publication date: 20160914 Pledgee: Qilu bank, Limited by Share Ltd, Ji'nan Zhang Zhuang sub branch Pledgor: Jinan Qin Tai Gesellschaft Fuer Waermetechnik mbH Registration number: 2017370000053 |
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